Black Friday madness

•January 1, 1970

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"Black Friday" Marks Start Of Holiday Shopping Season

SANTEE, CA - NOVEMBER 24: Shoppers wait for midnight under a canopy at a Best Buy store November 24, 2011 in Santee, California. Thousands of consumers are waiting in lines at various stores across the nation on Thanksgiving Day to take advantage of "Black Friday" deals as the holiday shopping season begins. (Photo by Sandy Huffaker/Getty Images)

A few violent incidents broke out on Black Friday as thousands of shoppers lined up in the wee hours of the morning at Macy's, Best Buy and other stores to get discounts of up to 70 percent on everything from toys to tablets.